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来自 , 2019-02-12, 写在 Java, 查看 138 次.
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/**
*功能:下拉框JComboBox,列表框 JList ,滚动窗格JScrollPane
*/
package
com.jiemian
;
import
java.awt.*
;
import
javax.swing.*
;
public
class
Text7
extends
JFrame
{
JPanel
jp1,jp2
;
JLabel
jl1,jl2
;
JComboBox
jcb
;
JList
jlist
;
JScrollPane
jsp
;
public
static
void
main
(
String
[
]
args
)
{
Text7 text7
=
new
Text7
(
)
;
}
public
Text7
(
)
{
//创建组件
jp1
=
new
JPanel
(
)
;
jp2
=
new
JPanel
(
)
;
jl1
=
new
JLabel
(
"你的籍贯"
)
;
jl2
=
new
JLabel
(
"旅游地点"
)
;
String
[
]
jg
=
{
"贺州"
,
"南宁"
,
"柳州"
,
"桂林"
,
"钦州"
,
"火星"
}
;
jcb
=
new
JComboBox
(
jg
)
;
String
[
]
dd
=
{
"九寨沟"
,
"天安门"
,
"故宫"
,
"长城"
,
"尧山"
,
"张家界"
}
;
jlist
=
new
JList
(
dd
)
;
jlist.
setVisibleRowCount
(
3
)
;
jsp
=
new
JScrollPane
(
jlist
)
;
//设置布局管理器
this
.
setLayout
(
new
GridLayout
(
2
,
1
)
)
;
//添加组件
jp1.
add
(
jl1
)
;
jp1.
add
(
jcb
)
;
jp2.
add
(
jl2
)
;
jp2.
add
(
jsp
)
;
this
.
add
(
jp1
)
;
this
.
add
(
jp2
)
;
//设置窗体属性
this
.
setSize
(
300
,
200
)
;
this
.
setTitle
(
"用户调查"
)
;
this
.
setIconImage
(
(
new
ImageIcon
(
"images
\\
head_boy.jpg"
)
)
.
getImage
(
)
)
;
this
.
setLocation
(
300
,
300
)
;
this
.
setDefaultCloseOperation
(
JFrame
.
EXIT_ON_CLOSE
)
;
this
.
setVisible
(
true
)
;
}
}
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/** *功能:下拉框JComboBox,列表框 JList ,滚动窗格JScrollPane */ package com.jiemian; import java.awt.*; import javax.swing.*; public class Text7 extends JFrame{ JPanel jp1,jp2; JLabel jl1,jl2; JComboBox jcb; JList jlist; JScrollPane jsp; public static void main(String[] args) { Text7 text7=new Text7(); } public Text7(){ //创建组件 jp1=new JPanel(); jp2=new JPanel(); jl1=new JLabel("你的籍贯"); jl2=new JLabel("旅游地点"); String []jg={"贺州","南宁","柳州","桂林","钦州","火星"}; jcb=new JComboBox(jg); String []dd={"九寨沟","天安门","故宫","长城","尧山","张家界"}; jlist =new JList(dd); jlist.setVisibleRowCount(3); jsp=new JScrollPane(jlist); //设置布局管理器 this.setLayout(new GridLayout(2, 1)); //添加组件 jp1.add(jl1); jp1.add(jcb); jp2.add(jl2); jp2.add(jsp); this.add(jp1); this.add(jp2); //设置窗体属性 this.setSize(300, 200); this.setTitle("用户调查"); this.setIconImage((new ImageIcon("images\\head_boy.jpg")).getImage()); this.setLocation(300, 300); this.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); this.setVisible(true); } }
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